A video has emerged of a woman hiding under a table with the sound of gunfire in the background at a Walmart in El Paso, Texas on Saturday.<br /><br />On Saturday a gunman armed with a rifle killed 20 people at a Walmart in El Paso and wounded more than two dozen before being arrested, authorities said, after the latest US mass shooting sent panicked shoppers fleeing.<br /><br />Police said the El Paso shooting suspect opened fire with a rifle on shoppers, many of them bargain-hunting for back-to-school supplies, then surrendered to officers who confronted him outside the store.<br />
